■7-72 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



In northern Patagonia Mr. J. L. Peters found this species "a common 

 summer resident, confined exclusively to the reed beds. Every patch of 

 reeds, no matter how small, always has its quota. The note most fre- 

 quently given is a wren-like scold, but it also gives a call which sounds 

 like the noise produced by striking two dead reeds together." It ar- 

 rived at Huanuluan September 10, being among the early migrants. 

 (Bull. M. C. Z. Ixv. no. 9, p. 315.) 



Genus LEPTASTHENURA Reichenbach. 



Type. 

 Leptasthemira ^t\c\itnh. Handb. p. 160 (1853) . . . L. cegithaloides. 

 Geographical Range. — Colombia, Ecuador, Bolivia, Peru and Chili ; 

 Brazil, Uruguay, Argentina and Patagonia. 



LEPTASTHENURA ^GITHALOIDES /EGITHALOIDES (Kittlitz). 



Synallaxis agithaloides Kittlitz, Mem. Acad. St. Petersbg. (Sav. Etrang.) 

 i. p. 187, pi. 7, 1 83 1 (Valparaiso). 



Description. — Adult male, 6824 Acad. Nat. Sci. Phila., Valparaiso, 

 Chili. J. K. Townsend. Total length, 5.30 inches; wing, 2.28; cul- 

 men, .30; tail, 3.00; tarsus, .70. Head crested feathers dull black 

 streaked with tawny cinnamon, lores and hind neck spotted with buffy 

 white ; rest of upper surface snuff brown ; wings similar, inner feathers 

 tipped with buffy white, a broad tawny or chestnut band across the 

 secondaries involving both webs and continued on the outer webs of the 

 inner primaries ; tail graduated, center feathers longest and sharp-pointed, 

 black, outer ones tipped with grayish white including narrow outer web ; 

 lower parts dull white strongly washed with brown, darker on sides and 

 flanks, whiter on the throat, a necklace of dark brown spots across the 

 breast, bill yellow at the base of lower mandible. 



Geographical Range. — Chili and southwestern Peru to northern 

 Patagonia. 



LEPTASTHENURA ^GITHALOIDES PALLIDA Dabbcue. 



Lepiasthenttra cegithaloides pallida Dabbene, El Hornero, ii. p. 135, 1920 

 (Mailen, western Chubut, Patagonia). 

 Description. — Similar to L. cegithaloides cegithaloides but paler through- 

 out, especially noticeable in the much grayer upper surface and paler 

 streaks on the crown. 



